CN102195214A - Connector - Google Patents
Connector Download PDFInfo
- Publication number
- CN102195214A CN102195214A CN2011100338141A CN201110033814A CN102195214A CN 102195214 A CN102195214 A CN 102195214A CN 2011100338141 A CN2011100338141 A CN 2011100338141A CN 201110033814 A CN201110033814 A CN 201110033814A CN 102195214 A CN102195214 A CN 102195214A
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- CN
- China
- Prior art keywords
- contact
- earthy
- card edge
- edge type
- holding wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002184 metal Substances 0.000 claims description 11
- 239000011159 matrix material Substances 0.000 claims description 4
- 210000002683 foot Anatomy 0.000 description 52
- 230000000694 effects Effects 0.000 description 17
- 230000011514 reflex Effects 0.000 description 11
- 238000012856 packing Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 238000005476 soldering Methods 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000013316 zoning Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- 238000005192 partition Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/721—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/73—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
- H01R12/735—Printed circuits including an angle between each other
- H01R12/737—Printed circuits being substantially perpendicular to each other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
- H01R13/6461—Means for preventing cross-talk
- H01R13/6471—Means for preventing cross-talk by special arrangement of ground and signal conductors, e.g. GSGS [Ground-Signal-Ground-Signal]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
- H01R13/6473—Impedance matching
- H01R13/6474—Impedance matching by variation of conductive properties, e.g. by dimension variations
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The present invention provides a card edge connector as a high-speed differential signal connector configured to equalize electric potentials of ground contacts adjacent to signal line contacts, and thus to reduce crosstalk between adjacent signal line contacts. The card edge connector serves as a female connector in which multiple signal line contacts and multiple ground contacts are arranged in parallel in at least one row. In the card edge connector, the signal line contacts and the ground contacts are arranged in a way that every two signal line contacts for high-speed signals to send and return respectively therethrough are interposed between two ground contacts, and all of the multiple ground contacts arranged in the one row are electrically connected to one another by use of a common contact.
Description
Technical field
The present invention relates to a kind of card edge type connector as matrix connector (female connector) (card edge connector) that is configured on the printed circuit board (PCB) etc., especially relate to and have the card edge type connector that reduces the structure of crosstalking.
Background technology
In the past, for example shown in the TOHKEMY 2007-149643 communique, known have a following prior art: a side printed circuit board (PCB) is provided with as the plug-in connector of convex connector (male Connector) (Plug connector), on the opposing party's printed circuit board (PCB), be provided as the card edge type connector of matrix connector, thereby printed circuit board (PCB) is electrically connected to each other.
In such connector, in order to suppress to crosstalk, the earthy contact (G) that is configured to of preferred contact (contact) is constructed with the coplane (coplanar) of contact (S) across coming and going signal, promptly adopts the G-S-S-G configuration.
But in recent years, along with the high speed that signal transmits, adjacent holding wire becomes problem gradually with crosstalking between contact.Especially in transmitting at a high speed, need in the zone of relative high frequency rate, amount of crosstalk be suppressed to minimum.
As mentioned above, the connector that is used to transmit differential wave (differential signal) normally disposes the structure of earthy contact with the both sides of contact at two holding wires in the mode of G-S-S-G configuration.And under two groups of holding wires situation adjacent with contact, the mode that disposes with G-S-S-G-S-S-G makes two groups of holding wires only be separated by 1 common earthy contact with contact.
The earth connection that connects up on printed circuit board (PCB) constitutes, and earthy common plane (common plane) that utilizes the printed circuit intralamellar part etc. is connected to each other, and current potential is also identical.But only under two ends and the situation that printed circuit board (PCB) is connected, earthy contact disposes in the mode with the earthy common plane partition distance that is located at the printed circuit intralamellar part a plurality of contacts in connector inside respectively.Therefore, make each earthy contact have different current potentials each other, and the current potential of the earth connection on the current potential that each earthy contact had and the printed circuit board (PCB) is also different.Thus, each earthy contact is descended to the shield effectiveness of the high-frequency signal of the frequency content that has several GHz.As a result, may cause producing that adjacent holding wire increases with crosstalking between the contact or the middle problem that is separated with the holding wire of a contact with the increase of crosstalking between the contact.
Summary of the invention
The present invention makes in view of the above problems, purpose is, provide a kind of make identical with holding wire with the current potential between the adjacent earthy contact of contact, and make that adjacent holding wire reduces with crosstalking between contact, as the card edge type connector of high speed differential signal usefulness connector.
In order to reach above-mentioned purpose, card edge type connector of the present invention is as making a plurality of holding wires be configured to the matrix connector of at least one row in parallel with each other with contact and a plurality of earthy contact, it is characterized in that, above-mentioned holding wire disposes as follows with contact and above-mentioned earthy contact: two earthy contacts are located at the both sides that two holding wires that come and go for high speed signal are used contact, and, utilize public contact to make to be configured to above-mentioned a plurality of earthy contacts of row all to be electrically connected.
In addition, can prepare a plurality of above-mentioned public contacts, each public contact constitutes to make across two the earthy contacts of two holding wires with contact and is electrically connected, and also can constitute a plurality of earthy contacts are electrically connected.
In addition, public contact is being constituted under the situation that can make a plurality of earthy contacts electrical connections simultaneously, preferred card edge type connector also has the retainer that is used to keep public contact.
The present invention can be used in the earthy contact that connects between printed circuit board (PCB) and all remain same potential by with public contact all earthy contacts being electrically connected in this wise.Thus, can make shield effectiveness be better than installing in the past, thereby can reduce crosstalking between the signal that passes through in contact across the holding wire of earthy contact configuration, and, can also suppress by by the noise that signal produced of holding wire with contact.
In addition, simple, the assembling easily of public contact configuration can link a plurality of earthy contacts reliably and this a plurality of earthy contacts are electrically connected, and, during fabrication can waste material.
With reference to the explanation of accompanying drawing to preferred implementation, other features of the present invention will become obvious from following.
Description of drawings
Fig. 1 is the stereogram of the bindiny mechanism of the printed circuit board (PCB) of the card edge type connector with the 1st embodiment of the present invention from up to down seen from the right front and the printed circuit board (PCB) with plug-in connector.
Fig. 2 A is the cutaway view of bindiny mechanism shown in Figure 1, and the expression plug-in connector is inserted into the state before the card edge type connector.
Fig. 2 B is the cutaway view of bindiny mechanism shown in Figure 1, and the expression plug-in connector is inserted into the card edge type connector, finishes the state of electrical connection.
Fig. 3 is the figure that is used to illustrate to card edge type connector assembling contact, is expression to the card edge type connector shown in Figure 1 partial perspective view of signal with the card edge type connector state of contact, that see from the right oblique upper at rear of packing into.
Fig. 4 is the continue state of Fig. 3 of expression, to pack into the partial perspective view of card edge type connector state, that see from the right oblique upper at rear of earthy contact of card edge type connector.
Fig. 5 is the continue state of Fig. 4 of expression, finishes assembling and utilizes public contact to connect the partial perspective view of card edge type connector state, that see from the right oblique upper at rear of earthy contact.
Fig. 6 A is the figure of detailed structure of the public contact of expression the 1st embodiment, is the stereogram that the right oblique upper in the place ahead of this public contact is seen.
Fig. 6 B is the figure of detailed structure of the public contact of expression the 1st embodiment, be at length represent state that earthy contact is linked by public contact, the partial perspective view seen of the right oblique upper in this place ahead certainly.
Fig. 7 is the cutaway view of the card edge type connector of the 1st embodiment, is along disposing the cutaway view that holding wire cuts off on above-below direction with the slit of contact.
Fig. 8 is the stereogram of the card edge type connector of the 2nd embodiment of the present invention that sees from the right oblique upper at rear.
Fig. 9 is the figure that is used to illustrate to card edge type connector assembling contact, is expression to pack into the partial perspective view of card edge type connector state, that see from the right oblique upper at rear of earthy contact of card edge type connector shown in Figure 8.
Figure 10 is the figure that is used to illustrate to card edge type connector assembling contact, is the continue state of Fig. 9 of expression, to the card edge type connector partial perspective view of signal with the card edge type connector state of contact, that see from the right oblique upper at rear of packing into.
Figure 11 is the figure that is used to illustrate to card edge type connector assembling contact, is the continue state of Figure 10 of expression, utilizes public contact to connect the partial perspective view of card edge type connector state, that see from the right oblique upper at rear of earthy contact.
Figure 12 be the expression public contact of the 2nd embodiment and retainer detailed structure, from partial perspective view that the right oblique upper in the place ahead is seen.
Figure 13 at length represents to utilize the public connector of Figure 12 to connect the partial perspective view of the state of earthy contact.
Figure 14 is the cutaway view of the card edge type connector of the 2nd embodiment, is the cutaway view that cuts off on above-below direction along disposing the slit of earthy contact.
Embodiment
Below, adopt accompanying drawing that the preferred implementation of card edge type connector of the present invention is described.
First embodiment
Fig. 1～Fig. 7 represents the 1st embodiment of card edge type connector of the present invention.In addition, in the explanation of present embodiment, " left side " and " right side " refer to respectively among Fig. 1+the x direction and-the x direction, " preceding " and " back " refer to respectively+y and-y direction, " on " and D score refer to respectively+z and-z direction.
As Fig. 1～shown in Figure 7, the card edge type connector 10 of the 1st embodiment of the present invention is installed on the 1st printed circuit board (PCB) 70.In addition, the plug-in connector 80 that is inserted in this card edge type connector 10 is installed on the 2nd printed circuit board (PCB) 90.Plug-in connector 80 inserts in the card edge type connector 10.Specifically, the inserted sheet of plug-in connector 80 (blade) 81 inserts in the plug-in connector receiving space 19a of card edge type connector 10.Thus, be configured in respectively on the upper and lower surface of inserted sheet 81, contact with contact the 50, the 1st earthy contact the 30, the 2nd earthy contact 60 with contact the 20, the 2nd holding wire with the 1st holding wire of corresponding card edge type connector 10 as the 1st pad (pad) 82a of external contact and the 2nd pad 82b.As a result, the 1st printed circuit board (PCB) 70 and the 2nd printed circuit board (PCB) 90 are electrically connected, thus, can utilize the high speed between the 1st printed circuit board (PCB) 70 and the 2nd printed circuit board (PCB) 90 to send the transmission signal.In this case, 1st and 2nd pad corresponding with the 1st earthy contact 30 and the 2nd earthy contact 60 of the 1st of card edge type connector 10 sides the earthy contact 30 and the 2nd earthy contact 60 and plug-in connector 80 sides is respectively to dispose across the mode of two signals that come and go for signal with contact or two pads.In addition, in the present embodiment, the 1st holding wire by the 1st pad 82a of plug-in connector 80 and card edge type connector 10 transmits signal at a high speed with contact 20, and transmits the signal of power supply etc. with low speed with contact 50 by the 2nd pad 82b and the 2nd holding wire.
The card edge type connector 10 of present embodiment roughly comprises: main body 11, a plurality of public contact 40, a plurality of the 1st holding wire contact 20, a plurality of the 2nd holding wire contact 50, a plurality of the 1st earthy contact 30 and a plurality of the 2nd earthy contact 60.
Accommodate recess 19 towards the place ahead opening, along the left and right directions horizontal-extending of card edge type connector 10, and can go out the flat plug-in connector receiving space 19a of level for the mode zoning that plug-in connector 80 inserts.As represented well among Fig. 7, preferably the vertical cross-section shape of this plug-in connector receiving space 19a forms with the vertical cross-section shape of plug-in connector 80 similar.In addition, in order to guide the insertion of plug-in connector 80 sleekly, the front opening part 19b that preferably accommodates recess 19 is taper towards the place ahead and opens.
A plurality of the 2nd slits 15 of front side that are located at main body 11 are all at least towards by the place ahead with by accommodating the plug-in connector receiving space 19a opening that 19 zonings of recess go out.That is, the 2nd slit 15 is formed at the below of accommodating recess 19.Specifically, a plurality of the 2nd slits 15 extend upward in front and back.A plurality of the 2nd slits 15 form: parallel to each other and uniformly-spaced, and rectangular with respect to the plug-in connector receiving space 19a of above-mentioned level.In addition, the vertical cross-section shape of each the 2nd slit 15 forms: similar with the 2nd holding wire of being accommodated with the vertical cross-section shape of contact 50 or the 2nd earthy contact 60, roughly be the L font.Therefore, the 2nd slit 15 has roughly towards the vertical component of the place ahead opening with roughly towards the horizontal component of plug-in connector receiving space 19a (that is, towards the top) opening.On a plurality of the 2nd slits 15 vertical component separately, be formed with the 2nd holding wire that is used for being accommodated and be pressed into hole 16 and 17 two holes with the fixedly usefulness that contact 50 or the 2nd earthy contact 60 are fixed in the 2nd slit 15.Fix with being pressed into hole 16,17 modes for these two and form with parallel to each other and approximate horizontal.
Then, be located at main body 11 rear side a plurality of the 1st slits 12 all towards the place ahead, rear and plug-in connector receiving space 19a opening.That is, the part of each the 1st slit 12 connects the top of main body 11 on fore-and-aft direction.A plurality of the 1st slits 12 also form in the mode relative and paired with above-mentioned a plurality of the 2nd slits 15.Specifically, each the 1st slit 12 similarly forms with above-mentioned the 2nd slit 15, extends upward in front and back, and is parallel to each other and uniformly-spaced, rectangular with respect to the plug-in connector receiving space 19a of above-mentioned level.In addition, the vertical cross-section shape of each the 1st slit 12 also forms: similar with the 1st holding wire of being accommodated with the vertical cross-section shape of contact 20 or the 1st earthy contact 30, roughly be the L font.Therefore, the 1st slit 12 has roughly the vertical component of opening towards the rear and roughly towards the horizontal component of plug-in connector receiving space 19a (that is, towards the below) opening.In addition, in the present embodiment, on a plurality of the 1st slits 12 vertical component separately, be formed with the 1st holding wire that is used for being accommodated and be pressed into hole 13 and 14 with the fixedly usefulness that contact 20 or the 1st earthy contact 30 are fixed in the 1st slit 12.Fix with being pressed into hole 13,14 modes for these two and form with parallel to each other and approximate horizontal.Whether in the present embodiment, the 1st slit 12A and being used to that being used in a plurality of the 1st slits 12 accommodated the 1st earthy contact accommodates the structure of the 1st holding wire with the 1st slit 12B of contact, only be provided with on the chimeric recess this point of following explanation different.Promptly, as shown in Figure 3, also form the 1st chimeric recess 18a and the 2nd chimeric recess 18b being used to accommodate on the 1st slit 12A vertical component separately of the 1st earthy contact, the 1st chimeric recess 18a and the 2nd chimeric recess 18b are used for embedding for the part of the 1st foot 42 of public contact 40 described later and the 2nd foot 43.Utilize the 1st chimeric recess 18a and the 2nd chimeric recess 18b and form can be between the chimeric chimeric empty of the 1st foot 42 of public contact 40 and the 2nd foot 43.The 1st chimeric recess 18a and the 2nd chimeric recess 18b to be forming across the vertical component of the 1st slit 12A and paired mode, and respectively to form with the mode of the 1st slit 12A opening towards the rear.The 1st chimeric recess 18a and the 2nd chimeric recess 18b height (length of above-below direction) L separately
2Identical, and with L
2Be set at the height H that has with public contact 40
1Equate or compare H
1Big slightly length.In addition, if will be made as W by the width (length of left and right directions) between the 1st chimeric recess 18a and the formed chimeric empty of the 2nd chimeric recess 18b
2, then with width W
2Be set at the width S that has with the 1st foot 42 of public contact 40
21Or the width S of the 2nd foot 43
31(S
21=S
31) equate or compare S
21Or S
31Big slightly length.In addition, if the interval between between two chimeric empties is made as W
1, then should interval W
1Be set at the width S that has with public contact 40
1Equate or compare S
1Slightly little length.
Then, a plurality of the 2nd holding wires of present embodiment all are to become roughly by the sheet metal stamping-out with conductivity that the S font forms with contact 50.As shown in Figure 7, each the 2nd holding wire begins to comprise contact portion 51, strain portion 52, fixed part 53 and portion of terminal 54 with contact 50 from the top.
In the present embodiment, contact portion 51 forms the shape that is convex curvature towards the top, and outstanding in plug-in connector receiving space 19a, and can press and the contacting as the 2nd pad 82b of the external contact of corresponding plug-in connector 80 with the contact of expectation.
In the present embodiment, strain portion 52 forms: stretch out towards the place ahead from fixed part 53, bend to roughly C font, extend to the back upper place afterwards, thereby be connected with contact portion 51, strain portion 52 provides the contact of expectation to press by strain to contact portion 51.
In the present embodiment, fixed part 53 is to form contact portion 51 with the mode that the strain portion 52 that is connected with this contact portion 51 is bearing in the front side of this fixed part 53, and this fixed part 53 vertically extends along the vertical direction.Fixed part 53 also have with this fixed part 53 at right angles and certainly this fixed part 53 be pressed into projection 55,56 to outstanding two of a side (rear side) opposite with strain portion 52.Two are pressed into projection 55,56 and dispose in the mode that has proper spacing on above-below direction.Two are pressed into the fixedly usefulness that projection 55,56 is used for being pressed into the 2nd slit 15 of the main body 11 that is located at card edge type connector 10 and are pressed in hole 16 and 17, thereby holding wire is remained on the card edge type connector 10 with contact 50.
Portion of terminal 54 is formed at the below of the strain portion 52 that the portion of being fixed 53 supported, promptly portion of terminal 54 with from fixed part 53 towards the place ahead, the below mode of extending forms, can be connected with the external contact (not shown) of printed circuit board (PCB) 70.Specifically, the external contact of portion of terminal 54 and printed circuit board (PCB) 70 is utilized the soldering welding, thereby portion of terminal 54 is electrically connected with the circuit of printed circuit board (PCB) 70.
Then, a plurality of the 2nd earthy contact 60 (with reference to Fig. 7) is identical with contact 50 with above-mentioned the 2nd holding wire, all is to become roughly by the sheet metal stamping-out with conductivity that the S font forms.Since each the 2nd earthy contact 60 have with above-mentioned the 2nd holding wire with the roughly the same structure of contact 50, therefore, omit explanation to each the 2nd earthy contact 60.In addition, can be identical with the length from contact portion of contact 50 with the length setting from contact portion of the 2nd earthy contact 60, also can be made as longer or short slightly slightly with the length from contact portion of contact 50 to fixed part than the 2nd holding wire to fixed part to fixed part with the 2nd holding wire.
On the other hand, a plurality of the 1st holding wires of present embodiment all are to become roughly by the sheet metal stamping-out with conductivity that the mode of L font forms with contact 20, as shown in Figure 7, each the 1st holding wire begins to comprise from the top with contact 20: contact portion 21, strain portion 22, fixed part 23 and portion of terminal 24.
In the present embodiment, contact portion 21 forms the shape that is convex curvature towards the below, and outstanding in plug-in connector receiving space 19a, and can press and the contacting as the 1st pad 82a of the external contact of corresponding plug-in connector 80 with the contact of expectation.At this, the 1st holding wire contacts with the 1st pad 82a of contact 20 with the upper surface side of the inserted sheet 81 that is located at plug-in connector 80.On the other hand, the 2nd holding wire contacts with the 2nd pad 82b of contact 50 with the lower face side of the inserted sheet 81 that is located at plug-in connector 80.Therefore, can be understood as: the 1st holding wire is outstanding from last direction plug-in connector receiving space 19a with the contact portion 21 of contact 20, and the 2nd holding wire uses the contact portion 51 of contact 50 from direction plug-in connector receiving space 19a is outstanding down.
In the present embodiment, strain portion 22 forms: it is crooked to be roughly L font ground from fixed part 23, and the below of holding concurrently towards the place ahead slightly extends, and is connected with contact portion 21, and this strain portion 22 provides the contact of expectation to press by strain to contact portion 21.
In the present embodiment, fixed part 23 forms: support contact portion 21 and strain portion 22 in the mode that contact portion 21 and the strain portion 22 that is connected with this contact portion is configured in the front side of this fixed part 23 above this fixed part 23.As mentioned above, in order to make contact portion 21 in the top is projected into plug-in connector receiving space 19a, fixed part 23 has than length and this fixed part 23 on above-below direction the vertically extension of the 2nd holding wire with the length length of the above-below direction of the fixed part 53 of contact 50.Fixed part 23 also have meet at right angles with this fixed part 23 and certainly this fixed part 23 be pressed into projection 25,26 to outstanding two of a side (front side) identical with strain portion 22.Two be pressed into projection 25,26 with have on the above-below direction be pressed into two of contact 50 than above-mentioned the 2nd holding wire projection 55,56 between the mode of the big interval L1 in interval dispose.Two are pressed into projection 25,26 and are used for being pressed into respectively the 1st slit 12 that is located at main body 11, corresponding fixedly usefulness and are pressed in hole 13 and 14, thereby the 1st holding wire is remained on the card edge type connector 10 with contact 20.
Portion of terminal 24 with from fixed part 23 towards the rear, the below mode of extending forms, and can be connected with the external contact (not shown) of printed circuit board (PCB) 70.Specifically, identical with above-mentioned the 2nd holding wire with the situation of contact 50, the external contact of portion of terminal 24 and printed circuit board (PCB) 70 is utilized the soldering welding, thereby portion of terminal 24 is electrically connected with the circuit of printed circuit board (PCB) 70.
In addition, as Fig. 3 and shown in Figure 7, the 1st holding wire also is provided with avoidance recess 27 in the rear portion side of fixed part 23 with contact 20.As shown in Figure 5, the reason of avoiding recess 27 is set is, when assembling card edge type connector, be used in the public contact 40 that links between the earthy contact 30 and can not contact with contact 20 with holding wire.Therefore, allow, then can not be provided with and avoid recess 27 if design is gone up.
Then, a plurality of the 1st earthy contact 30 of present embodiment is identical with contact 20 with above-mentioned the 1st holding wire, all is to become roughly by the sheet metal stamping-out with conductivity that the L font forms.Each the 1st earthy contact 30 has and above-mentioned the 1st holding wire contact 20 identical construction in fact except that avoiding recess 27, therefore, omits the explanation to the 1st earthy contact 30.Wherein, read by above-mentioned the 1st holding wire is replaced with sequence number 30 with the sequence number 20 of the Reference numeral in the explanation of contact 20, the structure of the 1st earthy contact 30 can be easily understood in estimation.In addition, can be identical with the length from contact portion of contact 20 with the length setting from contact portion 21 of the 1st earthy contact 30, also can be set at longer or short slightly slightly with the length from contact portion of contact 20 to fixed part than the 1st holding wire to fixed part 23 to fixed part with the 1st holding wire.
Next, illustrate as public contact 40 characteristic point of the present invention, that constitute the card edge type connector 10 of present embodiment with reference to Fig. 6 A, 6B.Public contact 40 is the members that are used to link in order to make the current potential unanimity that is set at a plurality of the 1st earthy contact 30 on the card edge type connector 10 between each the 1st earthy contact 30.The public contact of present embodiment is by the sheet metal stamping-out with conductivity, carries out bending machining then and forms.
The public contact 40 of present embodiment is used for linking between the 1st earthy contact 30 of the 1st slit 12A that is housed in two the slit ground configurations in interval, makes between each the 1st earthy contact 30 to be electrically connected.Further specifically, the public contact 40 of present embodiment only links the 1st earthy contact 30 these two the earthy contacts that are configured in the 1st earthy contact 30 in the 1st slit 12A arbitrarily and are configured in left side or the right side of the 1st slit 12A.Therefore, prepared a plurality of public contacts 40 in the present embodiment, thereby the whole the 1st earthy contact 30 in the card edge type connector 10 of packing into is electrically connected.By adopting such structure, make on the current potential of this earthy lead identical by each position, centre that is configured in the 1st whole earthy contact 30 between two printed circuit board (PCB)s 70,90 and the formed earthy lead of earthy contact (pad) 82a.Thus, can prevent that the shield effectiveness of the earthy lead in plug-in connector 80 and card edge type connector 10 these two connector zones from descending, reduce to crosstalk, and, the radiation of noise prevented.
The public contact 40 of present embodiment comprises: planar main body 41, the 1st foot 42 and the 2nd foot 43 that are formed by both ends, the left and right sides bending of this main body 41.Main body 41 is formed has height (length of above-below direction) H
1And width (length of left and right directions) S
1The plate body of essentially rectangular shape.
The left part that the 1st foot 42 has an autonomous agent 41 is with the kink 42b that forwards bends with respect to these main body 41 rectangular modes and this kink 42b (left side) reflex part 42a of turning back laterally certainly.In the 1st foot 42, has height H from the lower surface
2The left part downside of kink 42b autonomous agent 41 extend towards the place ahead, and turn back in the position of regulation and to be the U font, reflex part 42a rearward extends.Reflex part 42a has the height H identical with kink 42b
2, and parallel with this kink 42b, with this kink 42b across interval S
2And the mode that forms clamping part 42c is rearward turned back from kink 42b.Clamping part 42c is used for embedding for the fixed part 33 of the 1st earthy contact 30.In other words, grip portion 33 with kink 42b and reflex part 42a.The height H of the 1st foot 42
2Height H for main body 41
1About 1/2 (H
2=1/2 * H
1), the kink 42b of the 1st foot 42 and the interval S between the reflex part 42a
2With the thickness of slab of the 1st earthy contact 30 about equally.In addition, as shown in Figure 6A, the lower surface of the 1st foot 42 is concordant with the lower surface of main body 41.
The right part that the 2nd foot 43 has an autonomous agent 41 is with the kink 43b that forwards bends with respect to these main body 41 rectangular modes and this kink 43b (right side) reflex part 43a of turning back laterally certainly.In the 2nd foot 43, has height H from the upper surface
3The right part upside of kink 43b autonomous agent 41 extend towards the place ahead, and turn back in the position of regulation and to be the U font, reflex part 43a rearward extends.Reflex part 43a has the height H identical with the height of kink 43b
3, and parallel with this kink 43b, with this kink 43b across interval S
3And the mode that forms clamping part 43c is rearward turned back from kink 43b front end again.Clamping part 43c is used for embedding for the fixed part 33 of the 1st earthy contact 30.In other words, grip portion 33 with kink 43b and reflex part 43a.As mentioned above, the height H of the 2nd foot 43
3Identical with the height of kink 43b, be the height H of main body 41
1About 1/2 (H
2=H
3=1/2 * H
1), in addition, the interval S that is formed at the clamping part 43c between kink 43b and the reflex part 43a of the 2nd foot 43
3With the thickness of slab of the 1st earthy contact 30 (S about equally
2=S
3).As according to understanding from above explanation and Fig. 6 A, the 2nd foot 43 is configured in respect on main body 41 and the 1st foot 42 point-symmetric positions.
By forming public contact 40 in this wise, make public contact 40 simple structures, easily assembling, can link a plurality of the 1st earthy contact 30 reliably and this a plurality of earthy contacts 30 are electrically connected, and, during fabrication can waste material.
In addition, as shown in Figure 6A, the lower surface of the 1st foot 42 is concordant with the lower surface of main body 41.In addition, in the present embodiment, the 1st foot 42 is located at the left part downside of main body 41, and the 2nd foot 43 is located at the right part upside of main body 41, but is not limited thereto, and also the 1st foot 42 can be located at the left part upside, and the 2nd foot 43 is located at the right part downside.
The public contact 40 that utilization has a said structure links between two the 1st earthy contacts 30,30.Shown in Fig. 6 B, two the 1st earthy contact 30A, 30B that the public contact 40 of present embodiment links to dispose with the mode of contact 20A, 20B across two the 1st holding wires.Further specifically, shown in Fig. 6 B, the 2nd foot 43 of public contact 40 is pressed into the vertically extending along the vertical direction fixed part 33A of clamping between projection 35A and the 36A be located on the fixed part 33A two of the 1st earthy contact 30A.That is, fixed part 33A is embedded in by in kink 43b that constitutes the 2nd foot 43 and the formed clamping part 43c of reflex part 43a.Thus, the 1st earthy contact 30A is electrically connected with public contact 40.In addition, the 1st foot 42 of public contact 40 is same with above-mentioned the 2nd foot, and clamping is with the fixed part 33B of the 1st earthy contact 30B that disposes with the mode of contact 20A, 20B across two the 1st holding wires.At this moment, the 1st foot 42 is configured in the below of the 2nd foot 43 of another public contact 40, and this another public contact 40 links the 1st earthy contact 30B and is configured in the 1st earthy contact (not shown) of the opposite side (left side) of the 1st earthy contact 30B.The 1st foot 42 and the configuration mode of the 2nd foot 43 separately of two public contacts 40 on above-mentioned two foots 42 and 43 configuration mode and the 1st earthy contact 30A is identical.In addition, in Fig. 6 B, Reference numeral 32A, 34A represent strain portion and the portion of terminal of the 1st earthy contact 30A respectively.
Then, utilize Fig. 3～Fig. 5 to illustrate simply to the card edge type connector 10 of the present embodiment situation of the 1st holding wire of packing into contact 20 and the 1st earthy contact 30.In addition, only be an example in this illustrated assembly method, also can for example assemble the 1st earthy contact 30 and public contact 40 in advance, the 1st earthy contact 30 and the public contact 40 that will assemble then are installed on the main body 11 of card edge type connector 10.
At first, as shown in Figure 3, the 1st holding wire is inserted the 1st slit 12 with contact 20 with the 1st holding wire with in the corresponding slit 12B of contact 20, and the 1st holding wire is fixed on the main body 11 of card edge type connector 10 with contact 20.The 1st holding wire is one group with contact 20 with two, inserts two the slit 12Bs adjacent with the left side of this slit 12A respectively to vacate the mode of 1 slit 12A that is intended for accommodating earthy contact 30 that is arranged in right-hand member (is left end at Fig. 3).Vacate 1 the predetermined slit 12A that is used to accommodate earthy contact 30 once more and insert respectively in two slit 12B adjacent for ensuing 1 group with the left side of this slit 12A.Below, repeat aforesaid operations, thereby the 1st holding wire all is inserted into contact 20 in the slit 12B of correspondence, thus, finish that the 1st holding wire is set to work on the main body 11 of card edge type connector 10 with contact 20.Wherein, the 1st slit 12 is formed on body 11 in the mode that the slit 12A that is positioned at left end is used to accommodate the 1st earthy contact 30.
Then, as shown in Figure 4, by by between the 1st paired chimeric recess 18a among the slit 12A that is located at regulation and the formed chimeric empty of the 2nd chimeric recess 18b and a plurality of public contacts 40 are arranged on the main body 11 of card edge type connector 10.The 1st foot 42 by making each public contact 40 and the 2nd foot 43 remain on a plurality of public contacts 40 on the main body 11 in being inserted between chimeric empty with the configuration mode shown in Fig. 6 B.Under this state, a plurality of the 1st earthy contact 30 is inserted among the 1st corresponding slit 12A, thereby a plurality of the 1st earthy contact 30 is fixed on the main body 11 of card edge type connector 10.At this moment, with above-mentioned insert action side by side, the 1st earthy contact 30 fixed part 33 separately is by the 1st foot 42 of public contact 40 and 43 clampings of the 2nd foot.
Thus, as shown in Figure 5, the 1st holding wire is housed in corresponding the 1st slit 12A, the 12B with the G-S-S-G configuration mode with contact 20 and the 1st earthy contact 30.In addition, utilize the public contact 40 of a plurality of present embodiments and the 1st earthy contact 30 that will be accommodated is arranged on the main body 11 of card edge type connector 10 under all the 1st earthy contact 30 status of electrically connecting.
By with a plurality of public contacts 40 the 1st all earthy contacts 30 being connected in this wise, make the earthy contact that connects between printed circuit board (PCB) all remain same potential.Thus, shield effectiveness is better than installing in the past, thereby can reduce crosstalking between the signal that passes through in contact across the holding wire of earthy contact ground configuration.In addition, also can suppress as device in the past by the situation of the signal generation noise that passes through in contact at holding wire.
In the present embodiment, following situation has been described:, so only on the 1st earthy contact of two the 1st adjacent holding wires, be provided with public contact with contact because the signal that passes through in contact at two the 1st holding wires that come and go for signal transmits at a high speed.But, under the situation that the signal that the 2nd holding wire passes through in contact transmits at a high speed, need on the 2nd earthy contact of two the 2nd adjacent holding wires, public contact be set with contact.In this case, the 1st holding wire by the 2nd embodiment for example described later respectively forms the 2nd holding wire with contact and the 2nd earthy contact like that with contact and the 1st earthy contact, can link the 2nd earthy contact by enough public contacts.
The 2nd embodiment
Fig. 8～Figure 14 represents the 2nd embodiment of card edge type connector of the present invention.The structure of the public contact of present embodiment is different with the structure of the public contact of above-mentioned the 1st embodiment, and the 1st holding wire is constructed also different thereupon with the structure of contact and the 1st earthy contact and the binding that is connected with public contact of the 1st earthy contact.Below, be that the center describes with the difference of the 2nd embodiment and the 1st embodiment.In the present embodiment, also identical with above-mentioned the 1st embodiment, what be used at a high speed transmitting signal only is the 1st holding wire contact.
In addition, in the explanation of present embodiment, " left side " and " right side " refer to respectively among Fig. 8+the x direction and-the x direction, " preceding " and " back " refer to respectively+y and-y direction, " on " and D score refer to respectively+z and-z direction.
In the present embodiment, the card edge type connector 110 of the 2nd embodiment of the present invention is also identical with the 1st embodiment, is installed on the 1st printed circuit board (PCB) (not shown).In addition, make by in this card edge type connector 110, inserting the plug-in connector 80 be installed on the 2nd printed circuit board (PCB) (not shown) that to be electrically connected this point between printed circuit board (PCB) also identical with the 1st embodiment.In addition, the holding wire in card edge type connector 110 also is the G-S-S-G configuration identical with the 1st embodiment with the configuration of contact (S) and earthy contact (G).
The card edge type connector 110 of present embodiment roughly comprises: main body 111, public contact 140, retainer 145, a plurality of the 1st holding wire contact 120, a plurality of the 2nd holding wire contact 150, a plurality of the 1st earthy contact 130 and a plurality of the 2nd earthy contact 160.
The main body 111 of the card edge type connector 110 of present embodiment at first, is described.
In the present embodiment, main body 111 is also same with above-mentioned the 1st embodiment, is formed by the synthetic resin of electrical insulating property, and its profile roughly is cuboid, and is elongate ground along left and right directions and extends.
In the present embodiment, compare with above-mentioned the 1st embodiment, only following different with above-mentioned the 1st embodiment on some, other structure is all identical for main body 111: promptly, the structure that is pressed into the hole that is located at the slit that is used for accommodating contact is different with the 1st embodiment with the structure that is used to install retainer 145.
In the present embodiment, the rear portion side of being located at main body 111 be used to accommodate be formed with on a plurality of the 1st slits 112 of the 1st holding wire with contact 120 and the 1st earthy contact 130 1 fixing with being pressed into hole 118A.In order in each the 1st slit 112 the 1st holding wire to be fixed on the main body 111 with contact 120 or the 1st earthy contact 130, this is fixed with being pressed into hole 118A and forms on a plurality of the 1st slits 112 vertical component separately, extends along general horizontal direction.Be pressed into that hole 118A has and the 1st holding wire described later is pressed into distance L between the upper surface of the 123b of portion and the lower surface that the 2nd level is pressed into the 123d of portion with the 1st level of the fixed part 123 of contact 120
3Height about equally (length of above-below direction).In addition, be pressed into that hole 118A has and the front end face of the front end face of the 1st vertical component effect 123a and the 2nd vertical component effect 123c between distance L
5The degree of depth about equally (length of fore-and-aft direction).That is, be pressed into the vertical cross-section of hole 118A for having height L
3, degree of depth L
5The essentially rectangular shape.
In addition, for by being pressed into the hole 118A retainer 145 described later of packing into, and on the next door 112a of 112 of the 1st slits that is used for separating adjacent of main body 111, form breach recess 112b.This breach recess 112b forms with opening towards the rear and along the mode of left and right directions crosscut main body 111.Breach recess 112b has the height H with retainer 145
21Height about equally and with the degree of depth T of retainer 145
21Deduct the suitable degree of depth of length of width (length of fore-and-aft direction) gained of the 1st vertical component effect 133a of the fixed part 133 of the 1st earthy contact 130.That is, the vertical cross-section of breach recess 112b is for having height H
21, the degree of depth [T
21-(L
6-L
5)] the essentially rectangular shape.
In addition, the front side of being located at main body 111, be used to accommodate and be formed with at least 1 on a plurality of the 2nd slits 115 of the 2nd holding wire with contact 150 and the 2nd earthy contact 160 and be pressed into hole 118B.In order in each the 2nd slit 115 the 2nd holding wire to be fixed on the main body 111 with contact 150 or the 2nd earthy contact 160, this is fixing with being pressed into hole 118B approximate horizontal ground formation on a plurality of the 2nd slits 115 vertical component separately.
Because other structures of the main body 111 of present embodiment are identical in fact with the structure of the main body 11 of above-mentioned the 1st embodiment, therefore omit explanation to other structures of main body 111.Wherein, read by the sequence number in the explanation of main body 11 among above-mentioned the 1st embodiment is added 100, other structures of the main body 111 of present embodiment can be easily understood in estimation.
Then, the 1st holding wire different with the structure of above-mentioned the 1st embodiment, present embodiment contact 120 is described.A plurality of the 1st holding wires in the present embodiment are respectively to become roughly by the sheet metal stamping-out with conductivity that the S font forms with contact 120, as shown in figure 10, each the 1st holding wire begins from the top with contact 120, has contact portion 121, strain portion 122, fixed part 123 and portion of terminal 124.
In the present embodiment, only be that the structure of fixed part 123 is different with the fixed part of contact 20 with the 1st holding wire of above-mentioned the 1st embodiment, the structure of other parts and the 1st embodiment are roughly the same.The fixed part 123 of present embodiment own elasticity variant part 22 to portion of terminal 24 unlike above-mentioned the 1st embodiment is vertically extended up and down.As shown in figure 10, the fixed part 123 of present embodiment is given prominence to roughly being the C font towards the place ahead.Specifically, the fixed part 123 of present embodiment comprises: the 1st vertical component effect 123a, the 1st level are pressed into the 123b of portion, vertically are pressed into the 2nd vertical component effect 123e that the 123c of portion, the 2nd level are pressed into the 123d of portion and join with portion of terminal 124.
The 1st vertical component effect 123a own elasticity variant part 122 then vertically extends downwards, and the 1st level is pressed into the 123b of portion and meets at right angles with respect to the 1st vertical component effect 123a, and forwards extend the 1st vertical component effect 123a lower end certainly.Vertically being pressed into the 123c of portion is pressed into the 123b of portion with respect to the 1st level and meets at right angles, and the 1st level is pressed into the 123b of portion front end edge vertical direction and extends downwards certainly, the 2nd level is pressed into the 123d of portion and meets at right angles with respect to vertically being pressed into the 123c of portion, and this vertically is pressed into portion 123c lower end and rearward extends certainly.In addition, the 2nd vertical component effect 123e is pressed into the 123d of portion with respect to the 2nd level and meets at right angles, and the 2nd level is pressed into the vertically extension downwards of portion 123d rear end certainly, and joins with portion of terminal 124.Therefore, in the present embodiment, utilize the 1st holding wire to be pressed into the 123b of portion, the 2nd level and be pressed into the 123d of portion and be pressed into the retainer that the 123c of portion is formed for accommodating retainer 145 described later and accommodate recess 127 with vertical with the 1st level of contact 120.In addition, the rear end face of the preferred at least the 1 vertical component effect 123a and the rear end face of the 2nd vertical component effect 123e are being positioned on the above-below direction on the same vertical plane.In the present embodiment, the front end face of the 1st vertical component effect 123a is made as L with distance between the vertical front end face that is pressed into the 123c of portion
5, the rear end face of the 1st vertical component effect 123a (perhaps the 2nd vertical component effect 123e) is made as L with distance between the vertical front end face that is pressed into the 123c of portion
6In addition, the distance that the 1st level is pressed between the upper surface of the 123b of portion and the lower surface that the 2nd level is pressed into the 123d of portion is made as L
3, the distance that the 1st level is pressed between the lower surface of the 123b of portion and the upper surface that the 2nd level is pressed into the 123d of portion is made as L
4
Next, the 1st earthy contact 130 of present embodiment is described.The a plurality of the 1st earthy contact 130 is identical with contact 120 with above-mentioned the 1st holding wire, and all becoming roughly by the sheet metal stamping-out with conductivity, the S font forms.Each the 1st earthy contact 130 is only following different with the structure of contact 120 with above-mentioned the 1st holding wire on some: be pressed at fixed part 133 vertical on the rear end face of the 133c of portion and have two contact protrusions 135,136; And with distance L
4Be set at and be slightly smaller than the distance L of the 1st holding wire with contact 120
4These two contact protrusions the 135, the 136th, being used for contacting with public contact 140 forms, and outstanding towards the rear from the rear end face that vertically is pressed into the 133c of portion.In addition, with distance L
4Be set at and be slightly smaller than the distance L of the 1st holding wire with contact 120
4Also be for the 1st earthy contact 130 is contacted with public contact 140.
Each the 1st earthy contact 130 is except having above-mentioned contact with the projection 135,136, and other structure is identical with contact 120 with above-mentioned the 1st holding wire in fact, therefore omits the explanation to each the 1st earthy contact 130.Wherein, read by above-mentioned the 1st holding wire is replaced into 130 with the sequence number 120 of the Reference numeral in the explanation of contact 120, other structures of the 1st earthy contact 130 of present embodiment can be easily understood in estimation.In addition, in the present embodiment, also can be longer slightly with the length from contact portion of contact 120 with the length setting from contact portion 131 of the 1st earthy contact 130 to fixed part 133 to fixed part than the 1st holding wire.In addition, also can be with the distance setting between the rear end face of the 1st vertical component effect 133a (perhaps the 2nd vertical component effect 133e) and the vertical front end face that is pressed into the 133c of portion for than the L of the 1st holding wire with contact
6Big slightly.
The 2nd earthy contact 160 of present embodiment then, is described.The a plurality of the 2nd earthy contact 160 of present embodiment all is to become roughly by the sheet metal stamping-out with conductivity that the L font forms.As shown in figure 14, each the 2nd earthy contact 160 begins to comprise from the top: contact portion 161, strain portion 162, fixed part 163 and portion of terminal 164.
In the present embodiment, contact portion 161 forms the shape that is convex curvature towards the top, and outstanding in plug-in connector receiving space 119a, contact portion 161 can press with the 2nd pad (not shown) as external contact of corresponding plug-in connector (not shown) with the contact of expectation and contact.
In the present embodiment, strain portion 162 forms as follows: stretch out towards the top from fixed part 163, be roughly the crooked and top of rearward holding concurrently slightly, L font ground and extend, be connected with contact portion 161, strain portion 162 provides the contact of expectation to press by strain to contact portion 161.
In the present embodiment, fixed part 163 vertically extends along the vertical direction in the mode that the vertical component with the strain portion 162 that is the extension of L font is connected.Fixed part 163 also have meet at right angles with fixed part 163 and certainly this fixed part 163 be pressed into projection 165 to outstanding 1 of a side (rear side) identical with contact portion 161.Be pressed into projection 165 also have from this be pressed into projection 165 respectively up and down outstanding two of direction stop projection 166a, 166b.Being pressed into projection 165 is used to be pressed into fixing with being pressed in the 118b of hole, stop projection 166a, 166b with two the 2nd earthy contact 160 is remained on the card edge type connector 110 reliably, this is fixing with being pressed in the 2nd slit 115 that hole 118b is located at main body 111.In addition, in the present embodiment, being pressed into projection 165 is 1, is pressed into projection but also can be provided with two as above-mentioned the 1st embodiment.In this case, can omit and stop projection 166a, 166b.
In the present embodiment, portion of terminal 164 with from fixed part 163 forwards, the below mode of extending forms, and utilizes the soldering welding with the external contact of printed circuit board (PCB) (not shown), thereby be electrically connected with the circuit of printed circuit board (PCB).
Then, a plurality of the 2nd holding wires are identical with the above-mentioned the 2nd earthy contact 160 with contacts 150 (with reference to Figure 14), all are to become roughly by the sheet metal stamping-out with conductivity that the S font forms.Because each the 2nd holding wire has the structure roughly the same with the above-mentioned the 2nd earthy contact 160 with contact 150, therefore, omits the explanation to the 2nd holding wire usefulness contact 150.In addition, it is identical with the length to fixed part from contact portion of the 2nd earthy contact 160 the 2nd holding wire can being used the length setting to fixed part from contact portion of contact 150, also can be set at longer or short slightly slightly than the length to fixed part from contact portion of the 2nd earthy contact 160.
Next, illustrate as public contact 140 and retainer 145 characteristic point of the present invention, that constitute the card edge type connector 110 of present embodiment with reference to Figure 12.The public contact 140 of present embodiment is to make the member that is electrically connected in batches between each the 1st earthy contact 130 in order to make the current potential unanimity that is arranged on a plurality of the 1st earthy contact 130 on the card edge type connector 110.In addition, the retainer 145 of present embodiment is to be used to keep public contact 140 and to make public contact 140 and member that the 1st earthy contact 130 electrically contacts.
By having so public contact 140, in the present embodiment, also can prevent the situation that the shield effectiveness of the earthy lead in plug-in connector and these two connector zones of card edge type connector descends in the same manner with above-mentioned the 1st embodiment.Thus, reduce crosstalking between holding wire, and prevent the radiation of noise.
The public contact 140 of present embodiment is by bending process behind the sheet metal stamping-out of conductivity is formed.The public contact 140 of present embodiment have the elongate body 141 of extending along left and right directions and can with the 1st earthy contact 130 contacted a pair of the 1st foot 142 and the 2nd foots 143.Preferred the 1st foot 142 forms: autonomous agent 141 generally perpendicularly extends upward, and roughly is the bending of L font ground, and rearward approximate horizontal ground extends afterwards, and, be bent into some convexs up.Preferred the 2nd foot 143 forms: generally perpendicularly extending, and roughly be the bending of L font ground downwards with the 1st foot 142 paired mode autonomous agent 141, and approximate horizontal ground extension towards the rear afterwards, and decurvation is some convexs.As shown in figure 12, right the 1st foot 142 and the 2nd foot 143 of the many compositions of configuration, each organizes the 1st foot 142 and the 143 parallel to each other and devices spaced apart S of the 2nd foot
11Ground is arranged.In the present embodiment illustration two public contacts 140, but also can be merged into 1 or a plurality of public contacts 140 also can be set.In addition, as shown in figure 12, the public contact of present embodiment has height (length of above-below direction) H
11, the degree of depth (length of fore-and-aft direction) T
11
By forming public contact 140 in this wise, when the public contact 140 of assembling, as shown in figure 13, the vertical component of the 1st foot 142 and the 2nd foot 143 can contact with the vertical rear end face that is pressed into the 133c of portion of the fixed part 133 of the 1st earthy contact 130.Equally, the horizontal component of the 1st foot 142 can contact with the lower surface that the 1st level is pressed into the 133b of portion, and the horizontal component of the 2nd foot 143 can contact with the upper surface that the 2nd level is pressed into the 133d of portion.Thus, public contact 140 can make a plurality of the 1st earthy contact 130 be electrically connected, and the result can make the current potential of a plurality of the 1st earthy contact 130 identical.
Then, the retainer 145 that is used to keep public contact 140 forms elongated cuboid by the synthetic resin of electrical insulating property along left and right directions roughly and forms.As shown in figure 12, the vertical cross-section of retainer 145 is for having height (length of above-below direction) H
21, the degree of depth (length of fore-and-aft direction) T
21Rectangular-shaped.
In retainer 145, on the front surface of this retainer 145, be formed with towards the place ahead opening and at the upwardly extending elongated slot 146 of right and left for the elongate body 141 of accommodating public contact 140.In addition,, extend upward and be formed with from this elongated slot 146 in order to accommodate the 1st foot 142 of public contact 140, and the 1st accepting groove 147 that on the upper surface of retainer 145, extends towards the rear.Equally, in order to accommodate the 2nd foot 143 of public contact 140, extend downwards and be formed with in couples from this elongated slot 146 with the 1st accepting groove 147, and the 2nd accepting groove 148 that on the lower surface of retainer 145, extends towards the rear.Because retainer 145 has such structure, therefore can be understood as: the height H of retainer 145
21With degree of depth T
21Respectively with the height H of public contact 140
11With degree of depth T
11(H about equally
21≈ H
11, T
21≈ T
11).Furthermore, the height of retainer 145 and the 1st holding wire are with the height L that accommodates recess 127 of the retainer of contact 120
4About equally.Self-evident, the same length of the left and right directions of the length of the left and right directions of retainer 145 and public contact 140.
Then, utilize Fig. 9～Figure 11 to illustrate simply to the card edge type connector 110 of the present embodiment situation of the 1st holding wire of packing into contact 120 and the 1st earthy contact 130.
At first, in the present embodiment, as shown in Figure 9, the 1st earthy contact 130 is inserted in the slit 112A corresponding with the 1st earthy contact 130 in the 1st slit 112, thereby the 1st earthy contact 130 is fixed on the main body 111 of card edge type connector 110.The 1st earthy contact 130 be inserted into from right-hand member (in Fig. 9 for left end) at interval two slit ground settings be used to accommodate in the slit 112A of earthy contact 130.If the 1st earthy contact 130 is all inserted in the corresponding slit 112A, then then inserts the 1st holding wire contact 120 as illustrated in fig. 10.The 1st holding wire is identical with above-mentioned the 1st embodiment with contact 120, is inserted in couples in two adjacent slit 112B corresponding with the 1st holding wire usefulness contact 120 in the 1st slit 112.If finished the installation of the 1st holding wire with contact 120, the public contact 140 that then will be installed on the retainer 145 is installed on the card edge type connector 110.In the receiving space that retainer 145 is embedded into, is fixed on is formed with the breach recess 112b that accommodates recess 137 and next door 125 that accommodates recess the 127, the 1st earthy contact 130 of contact 120 by the 1st holding wire, extend along left and right directions.Thus, the public contact 140 that remains on the retainer 145 can be contacted simultaneously with the pairing a plurality of the 1st earthy contact 130.
So, can as illustrated in fig. 11 the 1st holding wire be accommodated in pairing separately the 1st slit 112A, the 112B with the G-S-S-G configuration with contact 120 and the 1st earthy contact 130.In addition, utilize the public contact 140 of present embodiment and the 1st earthy contact 130 that will be accommodated is arranged on the main body 111 of card edge type connector 110 with the state that all the 1st earthy contacts 130 have been electrically connected.
By linking the 1st whole earthy contacts 130 with public contact 140 in this wise, and make the earthy contact that connects between printed circuit board (PCB) all remain same potential.Thus, in the present embodiment, also can play identical action effect with above-mentioned the 1st embodiment.
Though describe the present invention with reference to preferred implementation, it should be understood that the present invention is not limited to disclosed preferred implementation.The scope of appending claims should be given the most wide in range explanation, to contain all modification, equivalent structure and function.
Claims (6)
1. card edge type connector,
This card edge type connector is characterized in that as making a plurality of holding wires be configured to the matrix connector of at least one row in parallel with each other with contact and a plurality of earthy contact,
Above-mentioned holding wire disposes as follows with contact and above-mentioned earthy contact, and be about to two earthy contacts and be located at the both sides that two holding wires that come and go for high speed signal are used contact,
Utilize public contact to make to be configured to above-mentioned a plurality of earthy contacts of row all to be electrically connected.
2. card edge type connector according to claim 1 is characterized in that,
Above-mentioned public contact has been prepared a plurality of, and each public contact constitutes to make across two the earthy contacts of above-mentioned two holding wires with contact and is electrically connected.
3. card edge type connector according to claim 1 is characterized in that,
Above-mentioned public contact constitutes a plurality of earthy contacts are electrically connected.
4. card edge type connector according to claim 3 is characterized in that,
This card edge type connector also has the retainer that is used to keep public contact.
5. card edge type connector according to claim 4 is characterized in that,
Above-mentioned holding wire constitutes with contact and above-mentioned earthy contact to have the retainer that retainer can be installed and accommodates recess.
6. according to each described card edge type connector in the claim 1～5, it is characterized in that,
Public contact is formed by sheet metal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-019205 | 2010-01-29 | ||
| JP2010019205A JP5019187B2 (en) | 2010-01-29 | 2010-01-29 | connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102195214A true CN102195214A (en) | 2011-09-21 |
| CN102195214B CN102195214B (en) | 2013-07-10 |
Family
ID=44342081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100338141A Active CN102195214B (en) | 2010-01-29 | 2011-01-28 | Direct-plug type connector |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US8167631B2 (en) |
| JP (1) | JP5019187B2 (en) |
| CN (1) | CN102195214B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915728A (en) * | 2014-04-01 | 2014-07-09 | 深圳市得润电子股份有限公司 | Edge card connector with grounded shield |
| TWI649929B (en) * | 2017-03-31 | 2019-02-01 | 美商莫仕有限公司 | Connector |
| CN109546470A (en) * | 2019-01-09 | 2019-03-29 | 四川华丰企业集团有限公司 | Female end signal transmission module with metal shielding board |
| CN111146630A (en) * | 2018-11-01 | 2020-05-12 | 日本航空电子工业株式会社 | Connector and connector assembly |
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Also Published As
| Publication number | Publication date |
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| US20110189895A1 (en) | 2011-08-04 |
| CN102195214B (en) | 2013-07-10 |
| US8167631B2 (en) | 2012-05-01 |
| JP5019187B2 (en) | 2012-09-05 |
| JP2011159465A (en) | 2011-08-18 |
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